[URL="http://api.tweetmeme.com/share?url=http://espn.go.com/nfl/trainingcamp12/story/_/id/8285546/desean-jackson-philadelphia-eagles-give-full-effort-2011&service=bit.ly&source=espn"][IMG]http://api.tweetmeme.com/imagebutton.gif?url=http://espn.go.com/nfl/trainingcamp12/story/_/id/8285546/desean-jackson-philadelphia-eagles-give-full-effort-2011[/IMG][/URL]Philadelphia Eagles wide receiver DeSean Jackson told ESPN's Lisa Salters that he didn't give a full effort last season because he didn't want to get injured before signing a new contract.